<?php
/**
 * 分销结算控制器
 * 用于处理分销佣金的结算操作
 */

namespace app\controller\admin;

use app\BaseController;
use app\model\DistributionModel;
use app\model\DistributionCommissionModel;
use app\model\DistributionOrderModel;
use think\facade\Db;

class DistributionSettlement extends BaseController
{
    /**
     * 佣金结算列表
     */
    public function commission_list()
    {
        $filter = [
            'customer_name' => $this->request->param('customer_name', ''),
            'status' => $this->request->param('status', ''),
            'start_time' => $this->request->param('start_time', ''),
            'end_time' => $this->request->param('end_time', '')
        ];
        
        $page = $this->request->param('page', 1);
        $limit = $this->request->param('limit', 15);
        
        // 构建查询条件
        $query = Db::name('sh_distribution_commission')->alias('dc')
            ->join('customer c', 'dc.customer_id = c.id')
            ->join('customer cc', 'dc.from_customer_id = cc.id', 'left')
            ->field('dc.*, c.name as customer_name, cc.name as from_customer_name');
            
        // 根据分销员姓名筛选
        if (!empty($filter['customer_name'])) {
            $query->where('c.name', 'like', '%' . $filter['customer_name'] . '%');
        }
        
        // 根据状态筛选
        if (!empty($filter['status'])) {
            $query->where('dc.status', $filter['status']);
        }
        
        // 根据时间范围筛选
        if (!empty($filter['start_time'])) {
            $query->where('dc.create_time', '>=', $filter['start_time']);
        }
        
        if (!empty($filter['end_time'])) {
            $query->where('dc.create_time', '<=', $filter['end_time']);
        }
        
        $list = $query->page($page, $limit)->order('dc.create_time', 'desc')->select();
        $total = $query->count();
        
        return json(['status' => 0, 'data' => ['list' => $list, 'total' => $total]]);
    }
    
    /**
     * 批量结算佣金
     */
    public function batch_settle()
    {
        $ids = $this->request->param('ids', []);
        
        if (empty($ids)) {
            return json(['status' => 1, 'message' => '请选择要结算的佣金记录']);
        }
        
        // 开启事务
        Db::startTrans();
        try {
            // 更新佣金记录状态
            Db::name('sh_distribution_commission')
                ->where(['id' => ['in', $ids], 'status' => 0])
                ->update([
                    'status' => 1,
                    'settle_time' => date('Y-m-d H:i:s')
                ]);
            
            // 提交事务
            Db::commit();
            
            return json(['status' => 0, 'message' => '结算成功']);
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
            
            return json(['status' => 1, 'message' => '结算失败：' . $e->getMessage()]);
        }
    }
    
    /**
     * 自动结算佣金
     * 根据订单完成时间自动结算佣金
     */
    public function auto_settle()
    {
        // TODO: 实现自动结算逻辑
        // 例如：订单完成后7天自动结算佣金
        
        return json(['status' => 0, 'message' => '自动结算功能待实现']);
    }
    
    /**
     * 结算统计
     */
    public function settlement_stats()
    {
        // TODO: 实现结算统计逻辑
        
        $data = [
            'total_commission' => 0, // 总佣金
            'settled_commission' => 0, // 已结算佣金
            'unsettled_commission' => 0, // 未结算佣金
            'today_settled' => 0, // 今日结算
            'this_month_settled' => 0 // 本月结算
        ];
        
        return json(['status' => 0, 'data' => $data]);
    }
}